by Sennheiser

• Radio Frequency signal allows for clear reception in other rooms or even outside in the garden or garage (up to 100 foot range)
• Connects to the Audio Output jack on your TV, VCR, Radio, or Music system
• One rechargeable BA 151 battery included. Provides about 4 hours per charge with a lifespan of approximately 2 years. Transmitter includes built-in recharging ports for an additional BA 151 battery (see choices below).
• 3.5mm audio jack designed for use with a neckloop or walkman-style headset (purchased separately)
• Large volume control allows for ease of use. Unplug the neckloop or headset to turn off the 820S receiver
• Two available radio frequencies for clear reception
• Other people can adjust the TV or music volume as they please
• Two year warranty
• For more information, click here to read the User Manual (PDF format)